Question

$\sqrt{10} - \sqrt{5} \div 2 \sqrt{2}$
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Answer 1

Step-by-step explanation:

Rationalise the question then u get root20-root10/4,whole divided. then put the value of root 20 and root 10

means root 20=4.472

and root 10= 3.162

so 4.472-3.162= 1.31

1.31/4=0.3275 or 131/400

I don't know it is true or not. if question is whole divided by 2 root 2 then correct.

Answer 2

Answer:

2.372

Step-by-step explanation:

√10-√5÷2√2

√10−√5÷2×1.414

√10−√5÷2.828

√10−2.236÷2.828

3.162-0.790

2.372